Roller Chains are one of the primary ways to provide mechanical power transmission. Roller chains are available from a pitch of 1/4" to 3" ( the distance between the centers of adjacent flexing joints). A chain is noteworthy in the options for corrosion resistance available as well as the attachments that can be added to accomplish a specific task. Conforms to JIS and ANSI standards.
Bushing Chain: d1 in the table indicates the external diameter of the bushing.